带有复选框的树形结构,对原始的树形结构进行了处理，在每个节点上面，打上了checkbox标识-With box tree structure, tree structure of the original deal, each node in the top, marked with a checkbox logo

php实现windows树形目录，可以实现多级目录结构，直接应用，非常方便。-php windows directory tree can achieve multi-level directory structure, direct application, very convenient.